There is a buzz about the PW1100G Geared Turbofan Engine from Pratt and Whitney, that will power the first A320NEO. The PW1100G is a family of ultra-high bypass engines, part of the PW1000 series. The Flying Engineer welcomes you to enjoy the most technical take on the engine, that will leave you either educated, or snoring on your chair. Grab that coffee, and appreciate the next big thing in jet transport as we know today: Geared Turbofan Engines.

In this article, we explore, at a high level, the design of the PW1100G family, how it compares with existing A320 engines, the differences, on a high level, of this family with the competitor’s offering: the LEAP 1A, why the Boeing 737MAX family doesn’t need such a large turbofan engine, and finally, before concluding, the pros and cons of such an engine.